[INFO] crate slim 0.1.0 is already in cache
[INFO] extracting crate slim 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/slim/0.1.0
[INFO] extracting crate slim 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slim/0.1.0
[INFO] validating manifest of slim-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slim-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slim-0.1.0
[INFO] finished frobbing slim-0.1.0
[INFO] frobbed toml for slim-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/slim/0.1.0/Cargo.toml
[INFO] started frobbing slim-0.1.0
[INFO] finished frobbing slim-0.1.0
[INFO] frobbed toml for slim-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slim/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slim-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slim/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 12c1da700509faa6c33d997330d63dd8e4f73635bafe8adb65f0a154bf9c5e3c
[INFO] running `"docker" "start" "-a" "12c1da700509faa6c33d997330d63dd8e4f73635bafe8adb65f0a154bf9c5e3c"`
[INFO] [stderr]    Compiling slim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]   --> src/transportable.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::{SlimError, Result};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "12c1da700509faa6c33d997330d63dd8e4f73635bafe8adb65f0a154bf9c5e3c"`
[INFO] running `"docker" "rm" "-f" "12c1da700509faa6c33d997330d63dd8e4f73635bafe8adb65f0a154bf9c5e3c"`
[INFO] [stdout] 12c1da700509faa6c33d997330d63dd8e4f73635bafe8adb65f0a154bf9c5e3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slim/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 255de9ae70c70efc76ba10a1cf31f2200b3f08182ad27ccd9320ec418c9087ec
[INFO] running `"docker" "start" "-a" "255de9ae70c70efc76ba10a1cf31f2200b3f08182ad27ccd9320ec418c9087ec"`
[INFO] [stderr]    Compiling slim v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]   --> src/transportable.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use super::{SlimError, Result};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "255de9ae70c70efc76ba10a1cf31f2200b3f08182ad27ccd9320ec418c9087ec"`
[INFO] running `"docker" "rm" "-f" "255de9ae70c70efc76ba10a1cf31f2200b3f08182ad27ccd9320ec418c9087ec"`
[INFO] [stdout] 255de9ae70c70efc76ba10a1cf31f2200b3f08182ad27ccd9320ec418c9087ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slim/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] a7b7414bdabb384500bb90bcb60af971569042d5a363250f152b99598e756cc6
[INFO] running `"docker" "start" "-a" "a7b7414bdabb384500bb90bcb60af971569042d5a363250f152b99598e756cc6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slim-750fbc20ceafd4fd
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test serialization_tests::serdeser_u64 ... ok
[INFO] [stdout] test serialization_tests::serdeser_string ... ok
[INFO] [stdout] test serialization_tests::serdeser_result_ok_string ... ok
[INFO] [stdout] test serialization_tests::serdeser_result_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slim
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a7b7414bdabb384500bb90bcb60af971569042d5a363250f152b99598e756cc6"`
[INFO] running `"docker" "rm" "-f" "a7b7414bdabb384500bb90bcb60af971569042d5a363250f152b99598e756cc6"`
[INFO] [stdout] a7b7414bdabb384500bb90bcb60af971569042d5a363250f152b99598e756cc6